Patents by Inventor Carine A. M. C. Dewitte

Carine A. M. C. Dewitte has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for testing ceramic specimens by simultaneous application of mechanical and thermal stresses
    Patent number: 5625154
    Abstract: A method and apparatus for testing a ceramic member applies mechanical stress to the member by application of mechanical force and simultaneously applies thermal stress by creating a temperature gradient in the member by localized heating of a portion thereof. The mechanical stress is impact stress or may be applied by application of a static load to the ceramic member. The method is especially applied to the proof-testing a plurality of ceramic members for quality assurance, particularly engine valve members.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: April 29, 1997
    Assignees: NGK Ceramics Europe S.A., NGK Insulators, Ltd.
    Inventors: Keiji Matsuhiro, Carine A. M. C. Dewitte, Jeffrey P. J. Pattimore